Package org.elasticsearch.join.aggregations

Class ParentJoinAggregator

java.lang.Object

org.elasticsearch.search.aggregations.BucketCollector

org.elasticsearch.search.aggregations.Aggregator

org.elasticsearch.search.aggregations.AggregatorBase

org.elasticsearch.search.aggregations.bucket.BucketsAggregator

org.elasticsearch.join.aggregations.ParentJoinAggregator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.lucene.search.Collector, Releasable, SingleBucketAggregator

Direct Known Subclasses:

ChildrenToParentAggregator, ParentToChildrenAggregator

public abstract class ParentJoinAggregator
extends BucketsAggregator
implements SingleBucketAggregator

An aggregator that joins documents based on global ordinals. Global ordinals that match the main query and the inFilter query are replayed with documents matching the outFilter query.

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.Aggregator

Aggregator.BucketComparator, Aggregator.Parser, Aggregator.SubAggCollectionMode

Field Summary

Fields inherited from class org.elasticsearch.search.aggregations.AggregatorBase

collectableSubAggregators, context, DEFAULT_WEIGHT, name, parent, subAggregators

Fields inherited from class org.elasticsearch.search.aggregations.BucketCollector

NO_OP_COLLECTOR

Constructor Summary

Constructors

Constructor	Description
ParentJoinAggregator(java.lang.String name, AggregatorFactories factories, SearchContext context, Aggregator parent, org.apache.lucene.search.Query inFilter, org.apache.lucene.search.Query outFilter, ValuesSource.Bytes.WithOrdinals valuesSource, long maxOrd, java.util.Map<java.lang.String,java.lang.Object> metadata)

Method Summary

Modifier and Type	Method	Description
protected void	doClose()
protected void	doPostCollection()
LeafBucketCollector	getLeafCollector(LeafReaderContext ctx, LeafBucketCollector sub)

Methods inherited from class org.elasticsearch.search.aggregations.bucket.BucketsAggregator

bucketAggregations, bucketComparator, bucketDocCount, bucketEmptyAggregations, close, collectBucket, collectExistingBucket, consumeBucketsAndMaybeBreak, getDocCounts, grow, incrementBucketDocCount, maxBucketOrd, mergeBuckets, resolveSortPath

Methods inherited from class org.elasticsearch.search.aggregations.AggregatorBase

addRequestCircuitBreakerBytes, buildEmptySubAggregations, context, doPreCollection, getLeafCollector, metadata, name, parent, postCollection, preCollection, preGetSubLeafCollectors, scoreMode, subAggregator, subAggregators, toString

Methods inherited from class org.elasticsearch.search.aggregations.Aggregator

buildAggregation, buildEmptyAggregation, descendsFromBucketAggregator, resolveSortPathOnValidAgg

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ParentJoinAggregator

public ParentJoinAggregator(java.lang.String name, AggregatorFactories factories, SearchContext context, Aggregator parent, org.apache.lucene.search.Query inFilter, org.apache.lucene.search.Query outFilter, ValuesSource.Bytes.WithOrdinals valuesSource, long maxOrd, java.util.Map<java.lang.String,java.lang.Object> metadata) throws java.io.IOException

Throws:

java.io.IOException

Method Details

getLeafCollector

public final LeafBucketCollector getLeafCollector(LeafReaderContext ctx, LeafBucketCollector sub) throws java.io.IOException

Specified by:

getLeafCollector in class AggregatorBase

Throws:

java.io.IOException

doPostCollection

protected final void doPostCollection() throws java.io.IOException

Overrides:

doPostCollection in class AggregatorBase

Throws:

java.io.IOException

doClose

protected void doClose()

Overrides:

doClose in class AggregatorBase